#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main() {
    // 定义一个 3x3 的二维数组
    int arr[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
 

      for (int i = -1; i < 3; ++i)
    {
        for (int j = -1; j < 3; ++j)
        {
         
          cout << arr[i][j] ;
    
        }
    }
    return 0;
}